DS18B20的8路溫度檢測程序和AD格式原理圖

ID:205862 · 發表于 2017-5-30 10:48

基于DS18B20的8路溫度檢測程序

原理圖altium格式.SchDoc：

單片機源程序如下:

#include "lcd1602.h"
#include "18b20.h"
#include "key_contrl.h"
#include <reg52.h>
#include <usart.c>
sbit beep = P2^0; //beep = 0時候發聲
sbit K1=P1^4;
sbit K2=P1^5;
sbit K3=P1^6;
unsigned char Mode;
int TempH = 380; //初始上限值
int TempL = 100; //初始下限值
unsigned char SN[8][8]={
{0x28,0xEE,0xc8,0x47,0x1b,0x16,0x02,0x2f},
{0x28,0xee,0x97,0xf6,0x1c,0x16,0x02,0xb1},
{0x28,0xee,0x6c,0x48,0x1b,0x16,0x02,0x99},
{0x28,0xee,0xcf,0x46,0x1b,0x16,0x02,0xf1},
{0x28,0xee,0x1e,0x49,0x1b,0x16,0x02,0xf8},
{0x28,0xee,0x55,0x67,0x1b,0x16,0x02,0x04},
{0x28,0xee,0x4c,0x4b,0x1b,0x16,0x02,0xe9},
{0x28,0xee,0x30,0x6a,0x1b,0x16,0x02,0x5a},
};//二維數組存取序列號
void KEY()
{
if(K1==0)
{
delay_ms(10);
if(K1==0);
{
Mode++;
if(Mode==4)
Mode=0;
while(!K1);
}
}
}
void main(void)
{ u8 num;
u16 temp1,temp2,temp3,temp4,temp5,temp6,temp7,temp8;
LCD_Init();
UartInit();
while(1)
{
temp1=ReadTemperature(0);Send_string("第1路溫度：");SendData(temp1/100%10+48);SendData(temp1/10%10+48);SendData('.');SendData(temp1/1%10+48);Send_string("度：");SendData('\r');SendData('\n');
temp2=ReadTemperature(1);Send_string("第2路溫度：");SendData(temp2/100%10+48);SendData(temp2/10%10+48);SendData('.');SendData(temp2/1%10+48);Send_string("度：");SendData('\r');SendData('\n');
temp3=ReadTemperature(2);Send_string("第3路溫度：");SendData(temp3/100%10+48);SendData(temp3/10%10+48);SendData('.');SendData(temp3/1%10+48);Send_string("度：");SendData('\r');SendData('\n');
temp4=ReadTemperature(3);Send_string("第4路溫度：");SendData(temp4/100%10+48);SendData(temp4/10%10+48);SendData('.');SendData(temp4/1%10+48);Send_string("度：");SendData('\r');SendData('\n');
temp5=ReadTemperature(4);Send_string("第5路溫度：");SendData(temp5/100%10+48);SendData(temp5/10%10+48);SendData('.');SendData(temp5/1%10+48);Send_string("度：");SendData('\r');SendData('\n');
temp6=ReadTemperature(5);Send_string("第6路溫度：");SendData(temp6/100%10+48);SendData(temp6/10%10+48);SendData('.');SendData(temp6/1%10+48);Send_string("度：");SendData('\r');SendData('\n');
temp7=ReadTemperature(6);Send_string("第7路溫度：");SendData(temp7/100%10+48);SendData(temp7/10%10+48);SendData('.');SendData(temp7/1%10+48);Send_string("度：");SendData('\r');SendData('\n');
temp8=ReadTemperature(7);Send_string("第8路溫度：");SendData(temp8/100%10+48);SendData(temp8/10%10+48);SendData('.');SendData(temp8/1%10+48);Send_string("度：");SendData('\r');SendData('\n');SendData('\r');SendData('\n');
delay_ms(1000);
KEY();
switch(Mode)
{
case 0:
{
num++;
if(num<3)
{ LCD_Display_String(0x00,"1:");
LCD_Write_Cmd(0x82);
LCD_Write_Data(temp1/100%10+48);
LCD_Write_Data(temp1/10%10+48);
LCD_Write_Data('.');
LCD_Write_Data(temp1%10+48);
LCD_Write_Data(0xdf);
LCD_Write_Data(' ');
LCD_Display_String(0x08,"2:");
LCD_Write_Cmd(0x8a);
LCD_Write_Data(temp2/100%10+48);
LCD_Write_Data(temp2/10%10+48);
LCD_Write_Data('.');
LCD_Write_Data(temp2%10+48);
LCD_Write_Data(0xdf);
LCD_Write_Data(' ');
LCD_Display_String(0x40,"3:");
LCD_Write_Cmd(0xc2);
LCD_Write_Data(temp3/100%10+48);
LCD_Write_Data(temp3/10%10+48);
LCD_Write_Data('.');
LCD_Write_Data(temp3%10+48);
LCD_Write_Data(0xdf);
LCD_Write_Data(' ');
LCD_Display_String(0x48,"4:");
LCD_Write_Cmd(0xca);
LCD_Write_Data(temp4/100%10+48);
LCD_Write_Data(temp4/10%10+48);
LCD_Write_Data('.');
LCD_Write_Data(temp4%10+48);
LCD_Write_Data(0xdf);
LCD_Write_Data(' ');
}
else if(num<6)
{
LCD_Display_String(0x00,"5:");
LCD_Write_Cmd(0x82);
LCD_Write_Data(temp5/100%10+48);
LCD_Write_Data(temp5/10%10+48);
LCD_Write_Data('.');
LCD_Write_Data(temp5%10+48);
LCD_Write_Data(0xdf);
LCD_Write_Data(' ');
LCD_Display_String(0x08,"6:");
LCD_Write_Cmd(0x8a);
LCD_Write_Data(temp6/100%10+48);
LCD_Write_Data(temp6/10%10+48);
LCD_Write_Data('.');
LCD_Write_Data(temp6%10+48);
LCD_Write_Data(0xdf);
LCD_Write_Data(' ');
LCD_Display_String(0x40,"7:");
LCD_Write_Cmd(0xc2);
LCD_Write_Data(temp7/100%10+48);
LCD_Write_Data(temp7/10%10+48);
LCD_Write_Data('.');
LCD_Write_Data(temp7%10+48);
LCD_Write_Data(0xdf);
LCD_Write_Data(' ');
LCD_Display_String(0x48,"8:");
LCD_Write_Cmd(0xca);
LCD_Write_Data(temp8/100%10+48);
LCD_Write_Data(temp8/10%10+48);
LCD_Write_Data('.');
LCD_Write_Data(temp8%10+48);
LCD_Write_Data(0xdf);
LCD_Write_Data(' ');
}
else num=0;
}
break;
case 1:
LCD_Display_String(0x00,"High Limit:");
LCD_Write_Cmd(0x8b);
LCD_Write_Data(TempH/100%10+48);
LCD_Write_Data(TempH/10%10+48);
LCD_Write_Data('.');
LCD_Write_Data(TempH%10+48);
LCD_Write_Data(0xdf);
LCD_Display_String(0x40,"Low Limit:");
LCD_Write_Cmd(0xcb);
LCD_Write_Data(TempL/100%10+48);
LCD_Write_Data(TempL/10%10+48);
LCD_Write_Data('.');
LCD_Write_Data(TempL%10+48);
LCD_Write_Data(0xdf);
break;
case 2:
if(K2==0)
{
delay_ms(10);
if(K2==0)
{
TempH+=10;
if(TempH>=990)
TempH=990;
}
}
if(K3==0)
{
delay_ms(10);
if(K3==0)
{
TempH-=10;
if(TempH<=TempL)
TempH=TempL;
}
}
LCD_Write_Cmd(0x8b);
LCD_Write_Data(TempH/100%10+48);
LCD_Write_Data(TempH/10%10+48);
LCD_Write_Data('.');
LCD_Write_Data(TempH%10+48);
LCD_Write_Data(0xdf);
LCD_Write_Cmd(0x8d);
LCD_Write_Cmd(0x0f); //開光標
break;
case 3:
if(K2==0)
{
delay_ms(10);
if(K2==0)
{
TempL+=10;
if(TempL>=TempH)
TempL=TempH;
}
}
if(K3==0)
{
delay_ms(10);
if(K3==0)
{
TempL-=10;
if(TempL<=0)
……………………
…………限于本文篇幅余下代碼請從51黑下載附件…………